Laser Iridium Spark Plug IMR9D-9H

NGK built their Laser Iridium Spark Plugs to provide maximum ignitability and a longer service life.

These Laser Iridium Spark Plugs offer the smallest tip diameter available on the market while their Iridium and Platinum surfaces ensure slow wear rate providing a stable idle. With superior anti fouling, improved fuel efficiency and lower emissions, these plugs are OEM approved.

Key Features

• Fine wire iridium tipped center electrode and fine wire platinum tipped ground electrode provide stable idle
• Iridium alloy offers an extremely high melting point for high performance engines
• Improved fuel efficiency and lower emissions
• Platinum disc welded to backside of ground electrode provides long life
• Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
• Corrugated ribs prevent flashover
• Pure alumina silicate ceramic insulator provides superior strength and better heat transfer
• Copper core aids in heat removal
• Triple seals prevent leakage

Specifications

• Electrode Material: Iridium
• Core Material: Copper

Plug Selection

To ensure optimum performance please consult your owner's manual to determine the correct spark plug for your engine.